Cutler Hammer OT250 - Class K-5 Time-Delay Fuse 250A (50kA AIC @250V)

The Cutler Hammer OT250 is a Class K-5 time-delay fuse designed for industrial circuit protection applications requiring high interrupting capacity. It features a 250V AC voltage rating with a 250A current rating and provides 50kA interrupting capacity at rated voltage for reliable fault protection. The single-barrel construction measures 2.06 inches in diameter with a weight of 1.45 lb, engineered for durable performance in demanding environments. This OT Series fuse complies with industry standards for low-voltage protection systems and is commonly deployed in motor circuits, transformer protection, and feeder applications where time-delay characteristics prevent nuisance tripping during temporary overload conditions.

Key Features & Specifications

• Type: Class K-5 time-delay fuse, single-barrel construction
• Voltage Rating: 250V AC
• Current Rating: 250A
• Dimensions: 2.06 inches diameter
• Standards: Industrial low-voltage fuse standards
• Applications: Motor circuits, transformer protection, industrial feeders
• AIC rating: 50kA@250V
• Class Rating: K-5
• Barrels: 1
• Weight: 1.45 lb
• Family: OT Series

Product Identification

• UPC: 782001700423
• GTIN: 00782001700423